402102897465 has 32 divisors (see below), whose sum is σ = 648579738240. Its totient is φ = 212722246656.

The previous prime is 402102897431. The next prime is 402102897503. The reversal of 402102897465 is 564798201204.

It is not a de Polignac number, because 402102897465 - 2⁶ = 402102897401 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 944706 + ... + 1302564.

It is an arithmetic number, because the mean of its divisors is an integer number (20268116820).

Almost surely, 2^402102897465 is an apocalyptic number.

It is an amenable number.

402102897465 is a deficient number, since it is larger than the sum of its proper divisors (246476840775).

402102897465 is a wasteful number, since it uses less digits than its factorization.

402102897465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358473.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 402102897465 in words is "four hundred two billion, one hundred two million, eight hundred ninety-seven thousand, four hundred sixty-five".