5431537240272 has 280 divisors, whose sum is σ = 18536617309728. Its totient is φ = 1519310649600.

The previous prime is 5431537240253. The next prime is 5431537240291. The reversal of 5431537240272 is 2720427351345.

5431537240272 is a `hidden beast` number, since 5 + 4 + 3 + 1 + 5 + 372 + 4 + 0 + 272 = 666.

It is an interprime number because it is at equal distance from previous prime (5431537240253) and next prime (5431537240291).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 39747 + ... + 3296157.

Almost surely, 2^{5431537240272} is an apocalyptic number.

5431537240272 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5431537240272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9268308654864).

5431537240272 is an abundant number, since it is smaller than the sum of its proper divisors (13105080069456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5431537240272 is a wasteful number, since it uses less digits than its factorization.

5431537240272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3256461 (or 3256440 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 45.

The spelling of 5431537240272 in words is "five trillion, four hundred thirty-one billion, five hundred thirty-seven million, two hundred forty thousand, two hundred seventy-two".