1055514040 has 128 divisors (see below), whose sum is σ = 2818252800. Its totient is φ = 348157440.

The previous prime is 1055513929. The next prime is 1055514079. The reversal of 1055514040 is 404155501.

It is a happy number.

It is a super-2 number, since 2×1055514040² = 2228219777274243200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1055513996 and 1055514014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2404141 + ... + 2404579.

It is an arithmetic number, because the mean of its divisors is an integer number (22017600).

Almost surely, 2^1055514040 is an apocalyptic number.

1055514040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1055514040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1409126400).

1055514040 is an abundant number, since it is smaller than the sum of its proper divisors (1762738760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1055514040 is a wasteful number, since it uses less digits than its factorization.

1055514040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765 (or 761 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 1055514040 is about 32488.6755654951. The cubic root of 1055514040 is about 1018.1724419456.

Adding to 1055514040 its reverse (404155501), we get a palindrome (1459669541).

The spelling of 1055514040 in words is "one billion, fifty-five million, five hundred fourteen thousand, forty".