40401033040 has 40 divisors (see below), whose sum is σ = 98876216160. Its totient is φ = 15309864576.

The previous prime is 40401032977. The next prime is 40401033083. The reversal of 40401033040 is 4033010404.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 40401032999 and 40401033017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13288294 + ... + 13291333.

It is an arithmetic number, because the mean of its divisors is an integer number (2471905404).

Almost surely, 2^40401033040 is an apocalyptic number.

40401033040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40401033040 is an abundant number, since it is smaller than the sum of its proper divisors (58475183120).

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

40401033040 is a wasteful number, since it uses less digits than its factorization.

40401033040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26579659 (or 26579653 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 40401033040 its reverse (4033010404), we get a palindrome (44434043444).

The spelling of 40401033040 in words is "forty billion, four hundred one million, thirty-three thousand, forty".