2139401898480 has 640 divisors, whose sum is σ = 8772558520320. Its totient is φ = 417828741120.

The previous prime is 2139401898467. The next prime is 2139401898523. The reversal of 2139401898480 is 848981049312.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 2139401898480.

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, 44568252 + ... + 44616228.

It is an arithmetic number, because the mean of its divisors is an integer number (13707122688).

Almost surely, 2^{2139401898480} is an apocalyptic number.

2139401898480 is a gapful number since it is divisible by the number (20) 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 2139401898480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4386279260160).

2139401898480 is an abundant number, since it is smaller than the sum of its proper divisors (6633156621840).

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

2139401898480 is a wasteful number, since it uses less digits than its factorization.

2139401898480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48157 (or 48151 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 57.

The spelling of 2139401898480 in words is "two trillion, one hundred thirty-nine billion, four hundred one million, eight hundred ninety-eight thousand, four hundred eighty".