51413458408 has 16 divisors (see below), whose sum is σ = 103815637380. Its totient is φ = 23729288448.

The previous prime is 51413458351. The next prime is 51413458471. The reversal of 51413458408 is 80485431415.

It can be written as a sum of positive squares in 2 ways, for example, as 39584285764 + 11829172644 = 198958^2 + 108762^2 .

It is a super-2 number, since 2×51413458408² (a number of 22 digits) contains 22 as substring.

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, 247179985 + ... + 247180192.

Almost surely, 2^51413458408 is an apocalyptic number.

It is an amenable number.

51413458408 is an abundant number, since it is smaller than the sum of its proper divisors (52402178972).

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

51413458408 is a wasteful number, since it uses less digits than its factorization.

51413458408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494360196 (or 494360192 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 43.

The spelling of 51413458408 in words is "fifty-one billion, four hundred thirteen million, four hundred fifty-eight thousand, four hundred eight".