40003734040 has 16 divisors (see below), whose sum is σ = 90008401680. Its totient is φ = 16001493600.

The previous prime is 40003733993. The next prime is 40003734049. The reversal of 40003734040 is 4043730004.

It is a junction number, because it is equal to n+sod(n) for n = 40003733996 and 40003734014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40003734049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500046636 + ... + 500046715.

It is an arithmetic number, because the mean of its divisors is an integer number (5625525105).

Almost surely, 2^40003734040 is an apocalyptic number.

40003734040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40003734040 is an abundant number, since it is smaller than the sum of its proper divisors (50004667640).

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

40003734040 is a wasteful number, since it uses less digits than its factorization.

40003734040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000093362 (or 1000093358 counting only the distinct ones).

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

The spelling of 40003734040 in words is "forty billion, three million, seven hundred thirty-four thousand, forty".