1071504840 has 64 divisors (see below), whose sum is σ = 3673733760. Its totient is φ = 244915200.

The previous prime is 1071504827. The next prime is 1071504893. The reversal of 1071504840 is 484051701.

It is a super-2 number, since 2×1071504840² = 2296245244286851200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1071504798 and 1071504807.

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, 636961 + ... + 638640.

It is an arithmetic number, because the mean of its divisors is an integer number (57402090).

Almost surely, 2^1071504840 is an apocalyptic number.

1071504840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1071504840 is an abundant number, since it is smaller than the sum of its proper divisors (2602228920).

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

1071504840 is a wasteful number, since it uses less digits than its factorization.

1071504840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275622 (or 1275618 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 1071504840 is about 32733.8485363393. The cubic root of 1071504840 is about 1023.2883875285.

The spelling of 1071504840 in words is "one billion, seventy-one million, five hundred four thousand, eight hundred forty".