40154031294 has 32 divisors (see below), whose sum is σ = 86544173184. Its totient is φ = 12346719840.

The previous prime is 40154031289. The next prime is 40154031361. The reversal of 40154031294 is 49213045104.

It is a super-2 number, since 2×40154031294² (a number of 22 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 15 ways as a sum of consecutive naturals, for example, 57892 + ... + 289239.

It is an arithmetic number, because the mean of its divisors is an integer number (2704505412).

Almost surely, 2^40154031294 is an apocalyptic number.

40154031294 is an abundant number, since it is smaller than the sum of its proper divisors (46390141890).

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

40154031294 is a wasteful number, since it uses less digits than its factorization.

40154031294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348632.

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

Adding to 40154031294 its reverse (49213045104), we get a palindrome (89367076398).

The spelling of 40154031294 in words is "forty billion, one hundred fifty-four million, thirty-one thousand, two hundred ninety-four".