1852630540 has 24 divisors (see below), whose sum is σ = 3902082912. Its totient is φ = 738850560.

The previous prime is 1852630487. The next prime is 1852630543. The reversal of 1852630540 is 450362581.

It is a junction number, because it is equal to n+sod(n) for n = 1852630496 and 1852630505.

It is not an unprimeable number, because it can be changed into a prime (1852630543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130696 + ... + 144175.

It is an arithmetic number, because the mean of its divisors is an integer number (162586788).

Almost surely, 2^1852630540 is an apocalyptic number.

1852630540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1852630540 is an abundant number, since it is smaller than the sum of its proper divisors (2049452372).

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

1852630540 is a wasteful number, since it uses less digits than its factorization.

1852630540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275217 (or 275215 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 1852630540 is about 43042.1948789789. The cubic root of 1852630540 is about 1228.1825981270.

The spelling of 1852630540 in words is "one billion, eight hundred fifty-two million, six hundred thirty thousand, five hundred forty".