244401456131 has 72 divisors (see below), whose sum is σ = 307183045680. Its totient is φ = 193813552128.

The previous prime is 244401456073. The next prime is 244401456149. The reversal of 244401456131 is 131654104442.

It is not a de Polignac number, because 244401456131 - 2²⁶ = 244334347267 is a prime.

It is a super-2 number, since 2×244401456131² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 244401456091 and 244401456100.

It is not an unprimeable number, because it can be changed into a prime (244401456181) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 316172261 + ... + 316173033.

It is an arithmetic number, because the mean of its divisors is an integer number (4266431190).

Almost surely, 2^244401456131 is an apocalyptic number.

244401456131 is a deficient number, since it is larger than the sum of its proper divisors (62781589549).

244401456131 is a wasteful number, since it uses less digits than its factorization.

244401456131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173 (or 1149 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 244401456131 in words is "two hundred forty-four billion, four hundred one million, four hundred fifty-six thousand, one hundred thirty-one".