1053791940 has 48 divisors (see below), whose sum is σ = 2992187520. Its totient is φ = 277052160.

The previous prime is 1053791939. The next prime is 1053791953. The reversal of 1053791940 is 491973501.

It is a happy number.

It is a super-2 number, since 2×1053791940² = 2220954905617927200, which contains 22 as substring.

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, 119425 + ... + 127944.

It is an arithmetic number, because the mean of its divisors is an integer number (62337240).

Almost surely, 2^1053791940 is an apocalyptic number.

1053791940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1053791940 is an abundant number, since it is smaller than the sum of its proper divisors (1938395580).

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

1053791940 is a wasteful number, since it uses less digits than its factorization.

1053791940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247452 (or 247450 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 1053791940 is about 32462.1616655453. The cubic root of 1053791940 is about 1017.6184151455.

The spelling of 1053791940 in words is "one billion, fifty-three million, seven hundred ninety-one thousand, nine hundred forty".