402020166413465 has 96 divisors (see below), whose sum is σ = 531682624062720. Its totient is φ = 291411795677184.

The previous prime is 402020166413441. The next prime is 402020166413497. The reversal of 402020166413465 is 564314661020204.

It is not a de Polignac number, because 402020166413465 - 2¹² = 402020166409369 is a prime.

It is a super-2 number, since 2×402020166413465² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 28317254747 + ... + 28317268943.

It is an arithmetic number, because the mean of its divisors is an integer number (5538360667320).

Almost surely, 2^{402020166413465} is an apocalyptic number.

It is an amenable number.

402020166413465 is a deficient number, since it is larger than the sum of its proper divisors (129662457649255).

402020166413465 is a wasteful number, since it uses less digits than its factorization.

402020166413465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16179 (or 16162 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 402020166413465 in words is "four hundred two trillion, twenty billion, one hundred sixty-six million, four hundred thirteen thousand, four hundred sixty-five".