40121470192 has 10 divisors (see below), whose sum is σ = 77735348528. Its totient is φ = 20060735088.

The previous prime is 40121470153. The next prime is 40121470199. The reversal of 40121470192 is 29107412104.

40121470192 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40121470199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1253795928 + ... + 1253795959.

Almost surely, 2^40121470192 is an apocalyptic number.

It is an amenable number.

40121470192 is a deficient number, since it is larger than the sum of its proper divisors (37613878336).

40121470192 is a wasteful number, since it uses less digits than its factorization.

40121470192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507591895 (or 2507591889 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

Adding to 40121470192 its reverse (29107412104), we get a palindrome (69228882296).

The spelling of 40121470192 in words is "forty billion, one hundred twenty-one million, four hundred seventy thousand, one hundred ninety-two".