7440813780402 has 128 divisors (see below), whose sum is σ = 15611606150400. Its totient is φ = 2362129330176.

The previous prime is 7440813780401. The next prime is 7440813780427. The reversal of 7440813780402 is 2040873180447.

It is not an unprimeable number, because it can be changed into a prime (7440813780401) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1025891008 + ... + 1025898260.

It is an arithmetic number, because the mean of its divisors is an integer number (121965673050).

Almost surely, 2^{7440813780402} is an apocalyptic number.

7440813780402 is an abundant number, since it is smaller than the sum of its proper divisors (8170792369998).

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

7440813780402 is a wasteful number, since it uses less digits than its factorization.

7440813780402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7900.

The product of its (nonzero) digits is 1204224, while the sum is 48.

The spelling of 7440813780402 in words is "seven trillion, four hundred forty billion, eight hundred thirteen million, seven hundred eighty thousand, four hundred two".