1051795640 has 32 divisors (see below), whose sum is σ = 2704618080. Its totient is φ = 360615552.

The previous prime is 1051795631. The next prime is 1051795669. The reversal of 1051795640 is 465971501.

It is a super-2 number, since 2×1051795640² = 2212548136646019200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1051795594 and 1051795603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1877927 + ... + 1878486.

It is an arithmetic number, because the mean of its divisors is an integer number (84519315).

Almost surely, 2^1051795640 is an apocalyptic number.

1051795640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051795640 is an abundant number, since it is smaller than the sum of its proper divisors (1652822440).

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

1051795640 is a wasteful number, since it uses less digits than its factorization.

1051795640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3756431 (or 3756427 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 1051795640 is about 32431.3989830843. The cubic root of 1051795640 is about 1016.9754179462.

The spelling of 1051795640 in words is "one billion, fifty-one million, seven hundred ninety-five thousand, six hundred forty".