40040826240 has 128 divisors (see below), whose sum is σ = 135137898720. Its totient is φ = 10049454080.

The previous prime is 40040826151. The next prime is 40040826277. The reversal of 40040826240 is 4262804004.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 40040826198 and 40040826207.

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, 580731 + ... + 646010.

Almost surely, 2^40040826240 is an apocalyptic number.

40040826240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40040826240 is an abundant number, since it is smaller than the sum of its proper divisors (95097072480).

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

40040826240 is a wasteful number, since it uses less digits than its factorization.

40040826240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226780 (or 1226768 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

The spelling of 40040826240 in words is "forty billion, forty million, eight hundred twenty-six thousand, two hundred forty".