840272417948013 has 64 divisors (see below), whose sum is σ = 1200064357416960. Its totient is φ = 521424962247168.

The previous prime is 840272417947961. The next prime is 840272417948023. The reversal of 840272417948013 is 310849714272048.

It is not a de Polignac number, because 840272417948013 - 2³² = 840268122980717 is a prime.

It is a super-2 number, since 2×840272417948013² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840272417948023) 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, 2953913956 + ... + 2954198402.

It is an arithmetic number, because the mean of its divisors is an integer number (18751005584640).

Almost surely, 2^{840272417948013} is an apocalyptic number.

It is an amenable number.

840272417948013 is a deficient number, since it is larger than the sum of its proper divisors (359791939468947).

840272417948013 is a wasteful number, since it uses less digits than its factorization.

840272417948013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287258.

The product of its (nonzero) digits is 21676032, while the sum is 60.

The spelling of 840272417948013 in words is "eight hundred forty trillion, two hundred seventy-two billion, four hundred seventeen million, nine hundred forty-eight thousand, thirteen".