5451236440431 has 8 divisors (see below), whose sum is σ = 7276565331504. Its totient is φ = 3630032588160.

The previous prime is 5451236440417. The next prime is 5451236440487. The reversal of 5451236440431 is 1340446321545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5451236440431 - 2¹⁷ = 5451236309359 is a prime.

It is a super-2 number, since 2×5451236440431² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5451236440231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1031256616 + ... + 1031261901.

It is an arithmetic number, because the mean of its divisors is an integer number (909570666438).

Almost surely, 2^{5451236440431} is an apocalyptic number.

5451236440431 is a deficient number, since it is larger than the sum of its proper divisors (1825328891073).

5451236440431 is a wasteful number, since it uses less digits than its factorization.

5451236440431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062519401.

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 5451236440431 in words is "five trillion, four hundred fifty-one billion, two hundred thirty-six million, four hundred forty thousand, four hundred thirty-one".