2573770038840 has 1152 divisors, whose sum is σ = 11477071569600. Its totient is φ = 491705303040.

The previous prime is 2573770038821. The next prime is 2573770038857. The reversal of 2573770038840 is 488300773752.

It is a happy number.

2573770038840 is a `hidden beast` number, since 257 + 3 + 7 + 7 + 0 + 0 + 388 + 4 + 0 = 666.

It is a super-3 number, since 3×2573770038840³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 678555984 + ... + 678559776.

Almost surely, 2^{2573770038840} is an apocalyptic number.

2573770038840 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 2573770038840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5738535784800).

2573770038840 is an abundant number, since it is smaller than the sum of its proper divisors (8903301530760).

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

2573770038840 is a wasteful number, since it uses less digits than its factorization.

2573770038840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4117 (or 4103 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 54.

The spelling of 2573770038840 in words is "two trillion, five hundred seventy-three billion, seven hundred seventy million, thirty-eight thousand, eight hundred forty".