49257171810 has 96 divisors (see below), whose sum is σ = 159670023552. Its totient is φ = 10235255040.

The previous prime is 49257171791. The next prime is 49257171833. The reversal of 49257171810 is 1817175294.

It is a happy number.

49257171810 is a `hidden beast` number, since 4 + 9 + 2 + 571 + 71 + 8 + 1 + 0 = 666.

It is a super-2 number, since 2×49257171810² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3546979 + ... + 3560838.

It is an arithmetic number, because the mean of its divisors is an integer number (1663229412).

Almost surely, 2^49257171810 is an apocalyptic number.

49257171810 is an abundant number, since it is smaller than the sum of its proper divisors (110412851742).

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

49257171810 is a wasteful number, since it uses less digits than its factorization.

49257171810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7107848 (or 7107845 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 45.

The spelling of 49257171810 in words is "forty-nine billion, two hundred fifty-seven million, one hundred seventy-one thousand, eight hundred ten".