40603642000 has 40 divisors (see below), whose sum is σ = 98179611192. Its totient is φ = 16241456000.

The previous prime is 40603641979. The next prime is 40603642003. The reversal of 40603642000 is 24630604.

It can be written as a sum of positive squares in 4 ways, for example, as 1329915024 + 39273726976 = 36468^2 + 198176^2 .

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 (25).

It is not an unprimeable number, because it can be changed into a prime (40603642003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10148911 + ... + 10152910.

Almost surely, 2^40603642000 is an apocalyptic number.

40603642000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40603642000 is an abundant number, since it is smaller than the sum of its proper divisors (57575969192).

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

40603642000 is a wasteful number, since it uses less digits than its factorization.

40603642000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20301844 (or 20301828 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The spelling of 40603642000 in words is "forty billion, six hundred three million, six hundred forty-two thousand".