40254606537551 has 48 divisors (see below), whose sum is σ = 47839979980800. Its totient is φ = 33760979284032.

The previous prime is 40254606537517. The next prime is 40254606537599. The reversal of 40254606537551 is 15573560645204.

It is not a de Polignac number, because 40254606537551 - 2¹⁰ = 40254606536527 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a junction number, because it is equal to n+sod(n) for n = 40254606537493 and 40254606537502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40254606567551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6005457866 + ... + 6005464568.

It is an arithmetic number, because the mean of its divisors is an integer number (996666249600).

Almost surely, 2^{40254606537551} is an apocalyptic number.

40254606537551 is a deficient number, since it is larger than the sum of its proper divisors (7585373443249).

40254606537551 is a wasteful number, since it uses less digits than its factorization.

40254606537551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12708 (or 12701 counting only the distinct ones).

The product of its (nonzero) digits is 15120000, while the sum is 53.

The spelling of 40254606537551 in words is "forty trillion, two hundred fifty-four billion, six hundred six million, five hundred thirty-seven thousand, five hundred fifty-one".