40100043000 has 64 divisors (see below), whose sum is σ = 125112143520. Its totient is φ = 10693344000.

The previous prime is 40100042993. The next prime is 40100043007. The reversal of 40100043000 is 34000104.

It is an interprime number because it is at equal distance from previous prime (40100042993) and next prime (40100043007).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40100043007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6680341 + ... + 6686340.

Almost surely, 2^40100043000 is an apocalyptic number.

40100043000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40100043000 is an abundant number, since it is smaller than the sum of its proper divisors (85012100520).

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

40100043000 is a wasteful number, since it uses less digits than its factorization.

40100043000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13366705 (or 13366691 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 40100043000 its reverse (34000104), we get a palindrome (40134043104).

The spelling of 40100043000 in words is "forty billion, one hundred million, forty-three thousand".