40012463154 has 16 divisors (see below), whose sum is σ = 80191998720. Its totient is φ = 13309642320.

The previous prime is 40012463081. The next prime is 40012463173. The reversal of 40012463154 is 45136421004.

40012463154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon 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, 6958237 + ... + 6963984.

It is an arithmetic number, because the mean of its divisors is an integer number (5011999920).

Almost surely, 2^40012463154 is an apocalyptic number.

40012463154 is an abundant number, since it is smaller than the sum of its proper divisors (40179535566).

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

40012463154 is a wasteful number, since it uses less digits than its factorization.

40012463154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13922705.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 40012463154 its reverse (45136421004), we get a palindrome (85148884158).

The spelling of 40012463154 in words is "forty billion, twelve million, four hundred sixty-three thousand, one hundred fifty-four".