254540434040 has 32 divisors (see below), whose sum is σ = 573110268480. Its totient is φ = 101746077312.

The previous prime is 254540434013. The next prime is 254540434079. The reversal of 254540434040 is 40434045452.

It is a super-2 number, since 2×254540434040² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 2131664 + ... + 2247903.

It is an arithmetic number, because the mean of its divisors is an integer number (17909695890).

Almost surely, 2^254540434040 is an apocalyptic number.

254540434040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254540434040 is an abundant number, since it is smaller than the sum of its proper divisors (318569834440).

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

254540434040 is a wasteful number, since it uses less digits than its factorization.

254540434040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4381031 (or 4381027 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 35.

Adding to 254540434040 its reverse (40434045452), we get a palindrome (294974479492).

The spelling of 254540434040 in words is "two hundred fifty-four billion, five hundred forty million, four hundred thirty-four thousand, forty".