990465541254 has 48 divisors (see below), whose sum is σ = 2454276734208. Its totient is φ = 282794532336.

The previous prime is 990465541237. The next prime is 990465541279. The reversal of 990465541254 is 452145564099.

It is a happy number.

990465541254 is a `hidden beast` number, since 9 + 9 + 0 + 46 + 5 + 541 + 2 + 54 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

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 990465541254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2533932 + ... + 2898575.

It is an arithmetic number, because the mean of its divisors is an integer number (51130765296).

Almost surely, 2^990465541254 is an apocalyptic number.

990465541254 is an abundant number, since it is smaller than the sum of its proper divisors (1463811192954).

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

990465541254 is a wasteful number, since it uses less digits than its factorization.

990465541254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5433969 (or 5433966 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 54.

The spelling of 990465541254 in words is "nine hundred ninety billion, four hundred sixty-five million, five hundred forty-one thousand, two hundred fifty-four".