40400673700 has 72 divisors (see below), whose sum is σ = 90239705192. Its totient is φ = 15688442880.

The previous prime is 40400673673. The next prime is 40400673701. The reversal of 40400673700 is 737600404.

It can be written as a sum of positive squares in 12 ways, for example, as 870486016 + 39530187684 = 29504^2 + 198822^2 .

It is not an unprimeable number, because it can be changed into a prime (40400673701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1678954 + ... + 1702846.

Almost surely, 2^40400673700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40400673700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45119852596).

40400673700 is an abundant number, since it is smaller than the sum of its proper divisors (49839031492).

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

40400673700 is a wasteful number, since it uses less digits than its factorization.

40400673700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24401 (or 24394 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 31.

The spelling of 40400673700 in words is "forty billion, four hundred million, six hundred seventy-three thousand, seven hundred".