40401319254 has 32 divisors (see below), whose sum is σ = 85134426624. Its totient is φ = 12756511680.

The previous prime is 40401319219. The next prime is 40401319267. The reversal of 40401319254 is 45291310404.

It is a super-2 number, since 2×40401319254² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1406967 + ... + 1435394.

It is an arithmetic number, because the mean of its divisors is an integer number (2660450832).

Almost surely, 2^40401319254 is an apocalyptic number.

40401319254 is an abundant number, since it is smaller than the sum of its proper divisors (44733107370).

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

40401319254 is a wasteful number, since it uses less digits than its factorization.

40401319254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842492.

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 40401319254 its reverse (45291310404), we get a palindrome (85692629658).

The spelling of 40401319254 in words is "forty billion, four hundred one million, three hundred nineteen thousand, two hundred fifty-four".