2265157440000 has 3200 divisors, whose sum is σ = 10709427886080. Its totient is φ = 459841536000.

The previous prime is 2265157439971. The next prime is 2265157440041. The reversal of 2265157440000 is 447515622.

It is a happy number.

2265157440000 is a `hidden beast` number, since 2 + 2 + 65 + 157 + 440 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (3200).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 33808319967 + ... + 33808320033.

Almost surely, 2^{2265157440000} is an apocalyptic number.

2265157440000 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 2265157440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5354713943040).

2265157440000 is an abundant number, since it is smaller than the sum of its proper divisors (8444270446080).

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

2265157440000 is an equidigital number, since it uses as much as digits as its factorization.

2265157440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The spelling of 2265157440000 in words is "two trillion, two hundred sixty-five billion, one hundred fifty-seven million, four hundred forty thousand".