465438940 has 24 divisors (see below), whose sum is σ = 978056352. Its totient is φ = 186054720.

The previous prime is 465438931. The next prime is 465438949. The reversal of 465438940 is 49834564.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (465438931) and next prime (465438949).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465438949) 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, 28137 + ... + 41503.

It is an arithmetic number, because the mean of its divisors is an integer number (40752348).

Almost surely, 2^465438940 is an apocalyptic number.

It is an amenable number.

465438940 is an abundant number, since it is smaller than the sum of its proper divisors (512617412).

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

465438940 is a wasteful number, since it uses less digits than its factorization.

465438940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15117 (or 15115 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The square root of 465438940 is about 21574.0339297035. The cubic root of 465438940 is about 774.9747837789.

The spelling of 465438940 in words is "four hundred sixty-five million, four hundred thirty-eight thousand, nine hundred forty".