464550990 has 32 divisors (see below), whose sum is σ = 1133204256. Its totient is φ = 121848960.

The previous prime is 464550979. The next prime is 464550991. The reversal of 464550990 is 99055464.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464550991) 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, 125097 + ... + 128756.

It is an arithmetic number, because the mean of its divisors is an integer number (35412633).

Almost surely, 2^464550990 is an apocalyptic number.

464550990 is an abundant number, since it is smaller than the sum of its proper divisors (668653266).

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

464550990 is a wasteful number, since it uses less digits than its factorization.

464550990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253924.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 464550990 is about 21553.4449682644. Note that the first 3 decimals coincide. The cubic root of 464550990 is about 774.4816457481.

The spelling of 464550990 in words is "four hundred sixty-four million, five hundred fifty thousand, nine hundred ninety".