1390356735040 has 112 divisors (see below), whose sum is σ = 4074814824192. Its totient is φ = 440024979456.

The previous prime is 1390356735023. The next prime is 1390356735077. The reversal of 1390356735040 is 405376530931.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23843764 + ... + 23902003.

It is an arithmetic number, because the mean of its divisors is an integer number (36382275216).

Almost surely, 2^{1390356735040} is an apocalyptic number.

1390356735040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1390356735040 is an abundant number, since it is smaller than the sum of its proper divisors (2684458089152).

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

1390356735040 is a wasteful number, since it uses less digits than its factorization.

1390356735040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47745804 (or 47745794 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 46.

The spelling of 1390356735040 in words is "one trillion, three hundred ninety billion, three hundred fifty-six million, seven hundred thirty-five thousand, forty".