40154949426154 has 32 divisors (see below), whose sum is σ = 62894744438400. Its totient is φ = 19211833804800.

The previous prime is 40154949426139. The next prime is 40154949426209. The reversal of 40154949426154 is 45162494945104.

It is a super-2 number, since 2×40154949426154² (a number of 28 digits) contains 22 as substring.

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, 16744504 + ... + 18991795.

It is an arithmetic number, because the mean of its divisors is an integer number (1965460763700).

Almost surely, 2^{40154949426154} is an apocalyptic number.

40154949426154 is a deficient number, since it is larger than the sum of its proper divisors (22739795012246).

40154949426154 is a wasteful number, since it uses less digits than its factorization.

40154949426154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35736606.

The product of its (nonzero) digits is 24883200, while the sum is 58.

The spelling of 40154949426154 in words is "forty trillion, one hundred fifty-four billion, nine hundred forty-nine million, four hundred twenty-six thousand, one hundred fifty-four".