40021133000 has 64 divisors (see below), whose sum is σ = 94615138800. Its totient is φ = 15843379200.

The previous prime is 40021132993. The next prime is 40021133011. The reversal of 40021133000 is 33112004.

It can be written as a sum of positive squares in 8 ways, for example, as 1025152324 + 38995980676 = 32018^2 + 197474^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109295 + ... + 303294.

Almost surely, 2^40021133000 is an apocalyptic number.

40021133000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40021133000 is an abundant number, since it is smaller than the sum of its proper divisors (54594005800).

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

40021133000 is a wasteful number, since it uses less digits than its factorization.

40021133000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412707 (or 412693 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 40021133000 its reverse (33112004), we get a palindrome (40054245004).

The spelling of 40021133000 in words is "forty billion, twenty-one million, one hundred thirty-three thousand".