402029502 has 16 divisors (see below), whose sum is σ = 918924672. Its totient is φ = 114865560.

The previous prime is 402029501. The next prime is 402029513. The reversal of 402029502 is 205920204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402029501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4786024 + ... + 4786107.

It is an arithmetic number, because the mean of its divisors is an integer number (57432792).

Almost surely, 2^402029502 is an apocalyptic number.

402029502 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

402029502 is an abundant number, since it is smaller than the sum of its proper divisors (516895170).

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

402029502 is a wasteful number, since it uses less digits than its factorization.

402029502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9572143.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 402029502 is about 20050.6733552766. The cubic root of 402029502 is about 738.0503230203.

Adding to 402029502 its reverse (205920204), we get a palindrome (607949706).

The spelling of 402029502 in words is "four hundred two million, twenty-nine thousand, five hundred two".