2772407252440 has 64 divisors (see below), whose sum is σ = 7174455278400. Its totient is φ = 944485221888.

The previous prime is 2772407252423. The next prime is 2772407252443. The reversal of 2772407252440 is 442527042772.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2772407252443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31489335 + ... + 31577254.

It is an arithmetic number, because the mean of its divisors is an integer number (112100863725).

Almost surely, 2^{2772407252440} is an apocalyptic number.

2772407252440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2772407252440 is an abundant number, since it is smaller than the sum of its proper divisors (4402048025960).

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

2772407252440 is a wasteful number, since it uses less digits than its factorization.

2772407252440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63066764 (or 63066760 counting only the distinct ones).

The product of its (nonzero) digits is 1756160, while the sum is 46.

The spelling of 2772407252440 in words is "two trillion, seven hundred seventy-two billion, four hundred seven million, two hundred fifty-two thousand, four hundred forty".