402345532551 has 16 divisors (see below), whose sum is σ = 538634169344. Its totient is φ = 267145560864.

The previous prime is 402345532513. The next prime is 402345532637. The reversal of 402345532551 is 155235543204.

It is not a de Polignac number, because 402345532551 - 2⁶ = 402345532487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402345532751) 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, 592086 + ... + 1074828.

It is an arithmetic number, because the mean of its divisors is an integer number (33664635584).

Almost surely, 2^402345532551 is an apocalyptic number.

402345532551 is a deficient number, since it is larger than the sum of its proper divisors (136288636793).

402345532551 is a wasteful number, since it uses less digits than its factorization.

402345532551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483870.

The product of its (nonzero) digits is 360000, while the sum is 39.

The spelling of 402345532551 in words is "four hundred two billion, three hundred forty-five million, five hundred thirty-two thousand, five hundred fifty-one".