40366740372 has 144 divisors (see below), whose sum is σ = 112840136640. Its totient is φ = 11192283648.

The previous prime is 40366740361. The next prime is 40366740373. The reversal of 40366740372 is 27304766304.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40366740373) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3964504 + ... + 3974672.

It is an arithmetic number, because the mean of its divisors is an integer number (783612060).

Almost surely, 2^40366740372 is an apocalyptic number.

40366740372 is a gapful number since it is divisible by the number (42) 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 40366740372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56420068320).

40366740372 is an abundant number, since it is smaller than the sum of its proper divisors (72473396268).

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

40366740372 is a wasteful number, since it uses less digits than its factorization.

40366740372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10390 (or 10381 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 42.

The spelling of 40366740372 in words is "forty billion, three hundred sixty-six million, seven hundred forty thousand, three hundred seventy-two".