40443150400 has 42 divisors (see below), whose sum is σ = 99515430890. Its totient is φ = 16177259520.

The previous prime is 40443150317. The next prime is 40443150421. The reversal of 40443150400 is 405134404.

It can be written as a sum of positive squares in 3 ways, for example, as 2866103296 + 37577047104 = 53536^2 + 193848^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12636885 + ... + 12640084.

Almost surely, 2^40443150400 is an apocalyptic number.

40443150400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40443150400 is an abundant number, since it is smaller than the sum of its proper divisors (59072280490).

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

40443150400 is a wasteful number, since it uses less digits than its factorization.

40443150400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25276991 (or 25276976 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 40443150400 its reverse (405134404), we get a palindrome (40848284804).

The spelling of 40443150400 in words is "forty billion, four hundred forty-three million, one hundred fifty thousand, four hundred".