40012415054 has 4 divisors (see below), whose sum is σ = 60018622584. Its totient is φ = 20006207526.

The previous prime is 40012415017. The next prime is 40012415059. The reversal of 40012415054 is 45051421004.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40012415059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10003103762 + ... + 10003103765.

It is an arithmetic number, because the mean of its divisors is an integer number (15004655646).

Almost surely, 2^40012415054 is an apocalyptic number.

40012415054 is a deficient number, since it is larger than the sum of its proper divisors (20006207530).

40012415054 is a wasteful number, since it uses less digits than its factorization.

40012415054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20006207529.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 40012415054 its reverse (45051421004), we get a palindrome (85063836058).

The spelling of 40012415054 in words is "forty billion, twelve million, four hundred fifteen thousand, fifty-four".