465158993450 has 24 divisors (see below), whose sum is σ = 865627864128. Its totient is φ = 185970664880.

The previous prime is 465158993443. The next prime is 465158993459. The reversal of 465158993450 is 54399851564.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 465158993450.

It is not an unprimeable number, because it can be changed into a prime (465158993459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2222162 + ... + 2422461.

It is an arithmetic number, because the mean of its divisors is an integer number (36067827672).

Almost surely, 2^465158993450 is an apocalyptic number.

465158993450 is a deficient number, since it is larger than the sum of its proper divisors (400468870678).

465158993450 is a wasteful number, since it uses less digits than its factorization.

465158993450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4646638 (or 4646633 counting only the distinct ones).

The product of its (nonzero) digits is 23328000, while the sum is 59.

The spelling of 465158993450 in words is "four hundred sixty-five billion, one hundred fifty-eight million, nine hundred ninety-three thousand, four hundred fifty".