40451213000 has 64 divisors (see below), whose sum is σ = 103260942720. Its totient is φ = 14709528000.

The previous prime is 40451212987. The next prime is 40451213003. The reversal of 40451213000 is 31215404.

It is a super-3 number, since 3×40451213000³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (40451213003) 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, 1827692 + ... + 1849691.

It is an arithmetic number, because the mean of its divisors is an integer number (1613452230).

Almost surely, 2^40451213000 is an apocalyptic number.

40451213000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40451213000 is an abundant number, since it is smaller than the sum of its proper divisors (62809729720).

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

40451213000 is a wasteful number, since it uses less digits than its factorization.

40451213000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3677415 (or 3677401 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 40451213000 its reverse (31215404), we get a palindrome (40482428404).

The spelling of 40451213000 in words is "forty billion, four hundred fifty-one million, two hundred thirteen thousand".