40031543500000 has 168 divisors, whose sum is σ = 106091872475400. Its totient is φ = 14780875200000.

The previous prime is 40031543499991. The next prime is 40031543500019. The reversal of 40031543500000 is 534513004.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 3420651 + ... + 9579349.

It is an arithmetic number, because the mean of its divisors is an integer number (631499240925).

Almost surely, 2^{40031543500000} is an apocalyptic number.

40031543500000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40031543500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53045936237700).

40031543500000 is an abundant number, since it is smaller than the sum of its proper divisors (66060328975400).

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

40031543500000 is an frugal number, since it uses more digits than its factorization.

40031543500000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6158752 (or 6158719 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The spelling of 40031543500000 in words is "forty trillion, thirty-one billion, five hundred forty-three million, five hundred thousand".