49740989464 has 8 divisors (see below), whose sum is σ = 93264355260. Its totient is φ = 24870494728.

The previous prime is 49740989461. The next prime is 49740989497. The reversal of 49740989464 is 46498904794.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 49740989396 and 49740989405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49740989461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3108811834 + ... + 3108811849.

Almost surely, 2^49740989464 is an apocalyptic number.

It is an amenable number.

49740989464 is a deficient number, since it is larger than the sum of its proper divisors (43523365796).

49740989464 is a wasteful number, since it uses less digits than its factorization.

49740989464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6217623689 (or 6217623685 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 64.

The spelling of 49740989464 in words is "forty-nine billion, seven hundred forty million, nine hundred eighty-nine thousand, four hundred sixty-four".