40003403740 has 48 divisors (see below), whose sum is σ = 84373484832. Its totient is φ = 15931673856.

The previous prime is 40003403597. The next prime is 40003403767. The reversal of 40003403740 is 4730430004.

It is a congruent number.

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, 13499499 + ... + 13502461.

It is an arithmetic number, because the mean of its divisors is an integer number (1757780934).

Almost surely, 2^40003403740 is an apocalyptic number.

It is an amenable number.

40003403740 is an abundant number, since it is smaller than the sum of its proper divisors (44370081092).

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

40003403740 is a wasteful number, since it uses less digits than its factorization.

40003403740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5686 (or 5684 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 25.

Adding to 40003403740 its reverse (4730430004), we get a palindrome (44733833744).

The spelling of 40003403740 in words is "forty billion, three million, four hundred three thousand, seven hundred forty".