1052878440 has 64 divisors (see below), whose sum is σ = 3182794560. Its totient is φ = 278620160.

The previous prime is 1052878427. The next prime is 1052878441. The reversal of 1052878440 is 448782501.

It is a happy number.

1052878440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1052878440² = 2217106018833667200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1052878441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17769 + ... + 49208.

It is an arithmetic number, because the mean of its divisors is an integer number (49731165).

Almost surely, 2^1052878440 is an apocalyptic number.

1052878440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1052878440 is an abundant number, since it is smaller than the sum of its proper divisors (2129916120).

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

1052878440 is a wasteful number, since it uses less digits than its factorization.

1052878440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67122 (or 67118 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 39.

The square root of 1052878440 is about 32448.0883874536. The cubic root of 1052878440 is about 1017.3242827117.

The spelling of 1052878440 in words is "one billion, fifty-two million, eight hundred seventy-eight thousand, four hundred forty".