40403412036 has 135 divisors (see below), whose sum is σ = 114505593741. Its totient is φ = 12417346656.

The previous prime is 40403411963. The next prime is 40403412041. The reversal of 40403412036 is 63021430404.

The square root of 40403412036 is 201006.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 5976836100 + 34426575936 = 77310^2 + 185544^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 47034975 + ... + 47035833.

Almost surely, 2^40403412036 is an apocalyptic number.

40403412036 is the 201006-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40403412036

40403412036 is an abundant number, since it is smaller than the sum of its proper divisors (74102181705).

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

40403412036 is an equidigital number, since it uses as much as digits as its factorization.

40403412036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760 (or 877 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The spelling of 40403412036 in words is "forty billion, four hundred three million, four hundred twelve thousand, thirty-six".