454540244051531 has 128 divisors (see below), whose sum is σ = 527224206458880. Its totient is φ = 388187331840000.

The previous prime is 454540244051527. The next prime is 454540244051627. The reversal of 454540244051531 is 135150442045454.

It is not a de Polignac number, because 454540244051531 - 2² = 454540244051527 is a prime.

It is a super-3 number, since 3×454540244051531³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (454540244053531) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 344087996351 + ... + 344087997671.

It is an arithmetic number, because the mean of its divisors is an integer number (4118939112960).

Almost surely, 2^{454540244051531} is an apocalyptic number.

454540244051531 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

454540244051531 is a deficient number, since it is larger than the sum of its proper divisors (72683962407349).

454540244051531 is a wasteful number, since it uses less digits than its factorization.

454540244051531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457.

The product of its (nonzero) digits is 3840000, while the sum is 47.

Adding to 454540244051531 its reverse (135150442045454), we get a palindrome (589690686096985).

The spelling of 454540244051531 in words is "four hundred fifty-four trillion, five hundred forty billion, two hundred forty-four million, fifty-one thousand, five hundred thirty-one".