49021516268820 has 48 divisors (see below), whose sum is σ = 152511383949120. Its totient is φ = 13072404338208.

The previous prime is 49021516268801. The next prime is 49021516268839. The reversal of 49021516268820 is 2886261512094.

49021516268820 is a `hidden beast` number, since 4 + 9 + 0 + 2 + 1 + 5 + 1 + 626 + 8 + 8 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (49021516268801) and next prime (49021516268839).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45390292302 + ... + 45390293381.

It is an arithmetic number, because the mean of its divisors is an integer number (3177320498940).

Almost surely, 2^{49021516268820} is an apocalyptic number.

It is an amenable number.

49021516268820 is an abundant number, since it is smaller than the sum of its proper divisors (103489867680300).

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

49021516268820 is a wasteful number, since it uses less digits than its factorization.

49021516268820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90780585701 (or 90780585693 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 49021516268820 in words is "forty-nine trillion, twenty-one billion, five hundred sixteen million, two hundred sixty-eight thousand, eight hundred twenty".