40193476544 has 112 divisors (see below), whose sum is σ = 88715088000. Its totient is φ = 17950580736.

The previous prime is 40193476487. The next prime is 40193476553. The reversal of 40193476544 is 44567439104.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

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, 3474482 + ... + 3486030.

It is an arithmetic number, because the mean of its divisors is an integer number (792099000).

Almost surely, 2^40193476544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40193476544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44357544000).

40193476544 is an abundant number, since it is smaller than the sum of its proper divisors (48521611456).

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

40193476544 is a wasteful number, since it uses less digits than its factorization.

40193476544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11710 (or 11700 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 40193476544 in words is "forty billion, one hundred ninety-three million, four hundred seventy-six thousand, five hundred forty-four".