49157477053440 has 1408 divisors, whose sum is σ = 189235283263488. Its totient is φ = 10655901941760.

The previous prime is 49157477053379. The next prime is 49157477053513. The reversal of 49157477053440 is 4435077475194.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 37900906872 + ... + 37900908168.

It is an arithmetic number, because the mean of its divisors is an integer number (134400059136).

Almost surely, 2^{49157477053440} is an apocalyptic number.

49157477053440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49157477053440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94617641631744).

49157477053440 is an abundant number, since it is smaller than the sum of its proper divisors (140077806210048).

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

49157477053440 is a wasteful number, since it uses less digits than its factorization.

49157477053440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583 (or 1565 counting only the distinct ones).

The product of its (nonzero) digits is 59270400, while the sum is 60.

The spelling of 49157477053440 in words is "forty-nine trillion, one hundred fifty-seven billion, four hundred seventy-seven million, fifty-three thousand, four hundred forty".