490277905920 has 1440 divisors, whose sum is σ = 2010386014560. Its totient is φ = 113135616000.

The previous prime is 490277905919. The next prime is 490277905933. The reversal of 490277905920 is 29509772094.

490277905920 is a `hidden beast` number, since 49 + 0 + 2 + 7 + 7 + 9 + 0 + 592 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1440).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 8037342690 + ... + 8037342750.

It is an arithmetic number, because the mean of its divisors is an integer number (1396101399).

Almost surely, 2^490277905920 is an apocalyptic number.

490277905920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 490277905920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1005193007280).

490277905920 is an abundant number, since it is smaller than the sum of its proper divisors (1520108108640).

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

490277905920 is a wasteful number, since it uses less digits than its factorization.

490277905920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The spelling of 490277905920 in words is "four hundred ninety billion, two hundred seventy-seven million, nine hundred five thousand, nine hundred twenty".