1390140040420 has 48 divisors (see below), whose sum is σ = 2931110945280. Its totient is φ = 553809090944.

The previous prime is 1390140040411. The next prime is 1390140040423. The reversal of 1390140040420 is 240400410931.

It is not an unprimeable number, because it can be changed into a prime (1390140040423) 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, 5600997 + ... + 5843923.

It is an arithmetic number, because the mean of its divisors is an integer number (61064811360).

Almost surely, 2^{1390140040420} is an apocalyptic number.

1390140040420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1390140040420 is an abundant number, since it is smaller than the sum of its proper divisors (1540970904860).

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

1390140040420 is a wasteful number, since it uses less digits than its factorization.

1390140040420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244092 (or 244090 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 1390140040420 in words is "one trillion, three hundred ninety billion, one hundred forty million, forty thousand, four hundred twenty".