402103632 has 80 divisors (see below), whose sum is σ = 1189959552. Its totient is φ = 114616320.

The previous prime is 402103613. The next prime is 402103651. The reversal of 402103632 is 236301204.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (402103613) and next prime (402103651).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 402103599 and 402103608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173908 + ... + 176204.

Almost surely, 2^402103632 is an apocalyptic number.

402103632 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402103632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (594979776).

402103632 is an abundant number, since it is smaller than the sum of its proper divisors (787855920).

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

402103632 is a wasteful number, since it uses less digits than its factorization.

402103632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836 (or 2830 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 402103632 is about 20052.5218364175. The cubic root of 402103632 is about 738.0956831309.

Adding to 402103632 its reverse (236301204), we get a palindrome (638404836).

The spelling of 402103632 in words is "four hundred two million, one hundred three thousand, six hundred thirty-two".