432256990 has 16 divisors (see below), whose sum is σ = 848795760. Its totient is φ = 157184320.

The previous prime is 432256949. The next prime is 432256997. The reversal of 432256990 is 99652234.

It is a super-2 number, since 2×432256990² = 373692210807720200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432256997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1964695 + ... + 1964914.

It is an arithmetic number, because the mean of its divisors is an integer number (53049735).

Almost surely, 2^432256990 is an apocalyptic number.

432256990 is a deficient number, since it is larger than the sum of its proper divisors (416538770).

432256990 is a wasteful number, since it uses less digits than its factorization.

432256990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3929627.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 432256990 is about 20790.7909902437. The cubic root of 432256990 is about 756.1025016622.

The spelling of 432256990 in words is "four hundred thirty-two million, two hundred fifty-six thousand, nine hundred ninety".