2152040420274 has 32 divisors (see below), whose sum is σ = 4427177031360. Its totient is φ = 696890158272.

The previous prime is 2152040420273. The next prime is 2152040420281. The reversal of 2152040420274 is 4720240402512.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2152040420273) 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, 7277604 + ... + 7567535.

It is an arithmetic number, because the mean of its divisors is an integer number (138349282230).

Almost surely, 2^{2152040420274} is an apocalyptic number.

2152040420274 is an abundant number, since it is smaller than the sum of its proper divisors (2275136611086).

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

2152040420274 is a wasteful number, since it uses less digits than its factorization.

2152040420274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14845834.

The product of its (nonzero) digits is 35840, while the sum is 33.

Adding to 2152040420274 its reverse (4720240402512), we get a palindrome (6872280822786).

The spelling of 2152040420274 in words is "two trillion, one hundred fifty-two billion, forty million, four hundred twenty thousand, two hundred seventy-four".