1920528456 has 96 divisors (see below), whose sum is σ = 6031475520. Its totient is φ = 498833280.

The previous prime is 1920528431. The next prime is 1920528481. The reversal of 1920528456 is 6548250291.

It is an interprime number because it is at equal distance from previous prime (1920528431) and next prime (1920528481).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26911 + ... + 67566.

It is an arithmetic number, because the mean of its divisors is an integer number (62827870).

Almost surely, 2^1920528456 is an apocalyptic number.

It is an amenable number.

1920528456 is an abundant number, since it is smaller than the sum of its proper divisors (4110947064).

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

1920528456 is a wasteful number, since it uses less digits than its factorization.

1920528456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94515 (or 94500 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 1920528456 is about 43823.8343370363. The cubic root of 1920528456 is about 1243.0070221756.

The spelling of 1920528456 in words is "one billion, nine hundred twenty million, five hundred twenty-eight thousand, four hundred fifty-six".