2457576040040 has 128 divisors (see below), whose sum is σ = 6165363496320. Its totient is φ = 874154112000.

The previous prime is 2457576039967. The next prime is 2457576040061. The reversal of 2457576040040 is 400406757542.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 2457576039973 and 2457576040000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3355382 + ... + 4021658.

It is an arithmetic number, because the mean of its divisors is an integer number (48166902315).

Almost surely, 2^{2457576040040} is an apocalyptic number.

2457576040040 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 2457576040040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3082681748160).

2457576040040 is an abundant number, since it is smaller than the sum of its proper divisors (3707787456280).

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

2457576040040 is a wasteful number, since it uses less digits than its factorization.

2457576040040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666483 (or 666479 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 44.

The spelling of 2457576040040 in words is "two trillion, four hundred fifty-seven billion, five hundred seventy-six million, forty thousand, forty".