465245523440 has 40 divisors (see below), whose sum is σ = 1081724457168. Its totient is φ = 186093286400.

The previous prime is 465245523437. The next prime is 465245523487. The reversal of 465245523440 is 44325542564.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 465245523391 and 465245523400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5304584 + ... + 5391576.

Almost surely, 2^465245523440 is an apocalyptic number.

465245523440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

465245523440 is an abundant number, since it is smaller than the sum of its proper divisors (616478933728).

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

465245523440 is a wasteful number, since it uses less digits than its factorization.

465245523440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153857 (or 153851 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 44.

The spelling of 465245523440 in words is "four hundred sixty-five billion, two hundred forty-five million, five hundred twenty-three thousand, four hundred forty".