254136426040 has 32 divisors (see below), whose sum is σ = 653493667680. Its totient is φ = 87132488832.

The previous prime is 254136425999. The next prime is 254136426041. The reversal of 254136426040 is 40624631452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254136426041) 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, 453814767 + ... + 453815326.

It is an arithmetic number, because the mean of its divisors is an integer number (20421677115).

Almost surely, 2^254136426040 is an apocalyptic number.

254136426040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254136426040 is an abundant number, since it is smaller than the sum of its proper divisors (399357241640).

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

254136426040 is a wasteful number, since it uses less digits than its factorization.

254136426040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907630111 (or 907630107 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 254136426040 in words is "two hundred fifty-four billion, one hundred thirty-six million, four hundred twenty-six thousand, forty".