490726131 has 48 divisors (see below), whose sum is σ = 812592000. Its totient is φ = 261730560.

The previous prime is 490726123. The next prime is 490726133. The reversal of 490726131 is 131627094.

It is not a de Polignac number, because 490726131 - 2³ = 490726123 is a prime.

It is a super-2 number, since 2×490726131² = 481624271292458322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 490726092 and 490726101.

It is not an unprimeable number, because it can be changed into a prime (490726133) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 326620 + ... + 328118.

It is an arithmetic number, because the mean of its divisors is an integer number (16929000).

Almost surely, 2^490726131 is an apocalyptic number.

490726131 is a deficient number, since it is larger than the sum of its proper divisors (321865869).

490726131 is a wasteful number, since it uses less digits than its factorization.

490726131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664 (or 1657 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 490726131 is about 22152.3391767100. The cubic root of 490726131 is about 788.7627543411.

The spelling of 490726131 in words is "four hundred ninety million, seven hundred twenty-six thousand, one hundred thirty-one".