402046620464040 has 128 divisors (see below), whose sum is σ = 1228202971902720. Its totient is φ = 105263798169600.

The previous prime is 402046620463993. The next prime is 402046620464143. The reversal of 402046620464040 is 40464026640204.

It is a junction number, because it is equal to n+sod(n) for n = 402046620463983 and 402046620464001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95848279 + ... + 99954918.

It is an arithmetic number, because the mean of its divisors is an integer number (9595335717990).

Almost surely, 2^{402046620464040} is an apocalyptic number.

402046620464040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402046620464040 is an abundant number, since it is smaller than the sum of its proper divisors (826156351438680).

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

402046620464040 is a wasteful number, since it uses less digits than its factorization.

402046620464040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195803523 (or 195803519 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 42.

The spelling of 402046620464040 in words is "four hundred two trillion, forty-six billion, six hundred twenty million, four hundred sixty-four thousand, forty".