10261315490 has 8 divisors (see below), whose sum is σ = 18470367900. Its totient is φ = 4104526192.

The previous prime is 10261315489. The next prime is 10261315511. The reversal of 10261315490 is 9451316201.

It can be written as a sum of positive squares in 2 ways, for example, as 8328570121 + 1932745369 = 91261^2 + 43963^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 513065765 + ... + 513065784.

Almost surely, 2^10261315490 is an apocalyptic number.

10261315490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10261315490 is a deficient number, since it is larger than the sum of its proper divisors (8209052410).

10261315490 is a wasteful number, since it uses less digits than its factorization.

10261315490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026131556.

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 10261315490 in words is "ten billion, two hundred sixty-one million, three hundred fifteen thousand, four hundred ninety".