2351153412440 has 32 divisors (see below), whose sum is σ = 6045823061280. Its totient is φ = 806109741312.

The previous prime is 2351153412427. The next prime is 2351153412449. The reversal of 2351153412440 is 442143511532.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 2351153412440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2351153412449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4198487957 + ... + 4198488516.

It is an arithmetic number, because the mean of its divisors is an integer number (188931970665).

Almost surely, 2^{2351153412440} is an apocalyptic number.

2351153412440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2351153412440 is an abundant number, since it is smaller than the sum of its proper divisors (3694669648840).

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

2351153412440 is a wasteful number, since it uses less digits than its factorization.

2351153412440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8396976491 (or 8396976487 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 2351153412440 its reverse (442143511532), we get a palindrome (2793296923972).

The spelling of 2351153412440 in words is "two trillion, three hundred fifty-one billion, one hundred fifty-three million, four hundred twelve thousand, four hundred forty".