254165040040 has 32 divisors (see below), whose sum is σ = 572389908480. Its totient is φ = 101573826112.

The previous prime is 254165039987. The next prime is 254165040097. The reversal of 254165040040 is 40040561452.

It is a happy number.

254165040040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 254165039984 and 254165040011.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2836264 + ... + 2924503.

It is an arithmetic number, because the mean of its divisors is an integer number (17887184640).

Almost surely, 2^254165040040 is an apocalyptic number.

254165040040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254165040040 is an abundant number, since it is smaller than the sum of its proper divisors (318224868440).

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

254165040040 is a wasteful number, since it uses less digits than its factorization.

254165040040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5761881 (or 5761877 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 254165040040 in words is "two hundred fifty-four billion, one hundred sixty-five million, forty thousand, forty".