402432204031 has 32 divisors (see below), whose sum is σ = 492777492480. Its totient is φ = 323638329600.

The previous prime is 402432204029. The next prime is 402432204049. The reversal of 402432204031 is 130402234204.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 402432204031 - 2¹ = 402432204029 is a prime.

It is a super-2 number, since 2×402432204031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 402432203987 and 402432204005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402432204131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15915 + ... + 897283.

It is an arithmetic number, because the mean of its divisors is an integer number (15399296640).

Almost surely, 2^402432204031 is an apocalyptic number.

402432204031 is a deficient number, since it is larger than the sum of its proper divisors (90345288449).

402432204031 is a wasteful number, since it uses less digits than its factorization.

402432204031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881527.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 402432204031 its reverse (130402234204), we get a palindrome (532834438235).

The spelling of 402432204031 in words is "four hundred two billion, four hundred thirty-two million, two hundred four thousand, thirty-one".