1375408992 has 96 divisors (see below), whose sum is σ = 3827948544. Its totient is φ = 431654400.

The previous prime is 1375408973. The next prime is 1375409041. The reversal of 1375408992 is 2998045731.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103867 + ... + 116357.

It is an arithmetic number, because the mean of its divisors is an integer number (39874464).

Almost surely, 2^1375408992 is an apocalyptic number.

1375408992 is a gapful number since it is divisible by the number (12) 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 1375408992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1913974272).

1375408992 is an abundant number, since it is smaller than the sum of its proper divisors (2452539552).

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

1375408992 is a wasteful number, since it uses less digits than its factorization.

1375408992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12572 (or 12564 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 1375408992 is about 37086.5068724462. The cubic root of 1375408992 is about 1112.1002876961.

The spelling of 1375408992 in words is "one billion, three hundred seventy-five million, four hundred eight thousand, nine hundred ninety-two".