290479740728 has 16 divisors (see below), whose sum is σ = 546049647000. Its totient is φ = 144866501536.

The previous prime is 290479740709. The next prime is 290479740751. The reversal of 290479740728 is 827047974092.

It is a super-2 number, since 2×290479740728² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46667798 + ... + 46674021.

Almost surely, 2^290479740728 is an apocalyptic number.

It is an amenable number.

290479740728 is a deficient number, since it is larger than the sum of its proper divisors (255569906272).

290479740728 is a wasteful number, since it uses less digits than its factorization.

290479740728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93342214 (or 93342210 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 59.

The spelling of 290479740728 in words is "two hundred ninety billion, four hundred seventy-nine million, seven hundred forty thousand, seven hundred twenty-eight".