40212013154 has 16 divisors (see below), whose sum is σ = 62949071808. Its totient is φ = 19229226192.

The previous prime is 40212013111. The next prime is 40212013159. The reversal of 40212013154 is 45131021204.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (40212013159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308444 + ... + 419000.

It is an arithmetic number, because the mean of its divisors is an integer number (3934316988).

Almost surely, 2^40212013154 is an apocalyptic number.

40212013154 is a deficient number, since it is larger than the sum of its proper divisors (22737058654).

40212013154 is a wasteful number, since it uses less digits than its factorization.

40212013154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118489.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 40212013154 its reverse (45131021204), we get a palindrome (85343034358).

The spelling of 40212013154 in words is "forty billion, two hundred twelve million, thirteen thousand, one hundred fifty-four".