4400156061939 has 16 divisors (see below), whose sum is σ = 6435982465920. Its totient is φ = 2651863138560.

The previous prime is 4400156061929. The next prime is 4400156061943. The reversal of 4400156061939 is 9391606510044.

It is a happy number.

It is not a de Polignac number, because 4400156061939 - 2³² = 4395861094643 is a prime.

It is a super-2 number, since 2×4400156061939² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4400156061929) 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, 372446782 + ... + 372458595.

It is an arithmetic number, because the mean of its divisors is an integer number (402248904120).

Almost surely, 2^{4400156061939} is an apocalyptic number.

4400156061939 is a deficient number, since it is larger than the sum of its proper divisors (2035826403981).

4400156061939 is a wasteful number, since it uses less digits than its factorization.

4400156061939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744905570.

The product of its (nonzero) digits is 699840, while the sum is 48.

The spelling of 4400156061939 in words is "four trillion, four hundred billion, one hundred fifty-six million, sixty-one thousand, nine hundred thirty-nine".