40402203441040 has 40 divisors (see below), whose sum is σ = 107354426287680. Its totient is φ = 13852184036736.

The previous prime is 40402203441031. The next prime is 40402203441139. The reversal of 40402203441040 is 4014430220404.

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 (28).

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, 36073395370 + ... + 36073396489.

It is an arithmetic number, because the mean of its divisors is an integer number (2683860657192).

Almost surely, 2^{40402203441040} is an apocalyptic number.

40402203441040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40402203441040 is an abundant number, since it is smaller than the sum of its proper divisors (66952222846640).

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

40402203441040 is a wasteful number, since it uses less digits than its factorization.

40402203441040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72146791879 (or 72146791873 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 40402203441040 its reverse (4014430220404), we get a palindrome (44416633661444).

The spelling of 40402203441040 in words is "forty trillion, four hundred two billion, two hundred three million, four hundred forty-one thousand, forty".