465129990 has 48 divisors (see below), whose sum is σ = 1302367248. Its totient is φ = 114493248.

The previous prime is 465129971. The next prime is 465129991. The reversal of 465129990 is 99921564.

465129990 is a `hidden beast` number, since 46 + 512 + 9 + 9 + 90 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465129991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197604 + ... + 199943.

It is an arithmetic number, because the mean of its divisors is an integer number (27132651).

Almost surely, 2^465129990 is an apocalyptic number.

465129990 is an abundant number, since it is smaller than the sum of its proper divisors (837237258).

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

465129990 is a wasteful number, since it uses less digits than its factorization.

465129990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397573 (or 397570 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 465129990 is about 21566.8725131856. The cubic root of 465129990 is about 774.8032743824.

The spelling of 465129990 in words is "four hundred sixty-five million, one hundred twenty-nine thousand, nine hundred ninety".