40746361920 has 224 divisors, whose sum is σ = 141807200256. Its totient is φ = 9830553600.

The previous prime is 40746361883. The next prime is 40746361969. The reversal of 40746361920 is 2916364704.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2219017 + ... + 2237303.

Almost surely, 2^40746361920 is an apocalyptic number.

40746361920 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 40746361920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70903600128).

40746361920 is an abundant number, since it is smaller than the sum of its proper divisors (101060838336).

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

40746361920 is a wasteful number, since it uses less digits than its factorization.

40746361920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18529 (or 18519 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 40746361920 in words is "forty billion, seven hundred forty-six million, three hundred sixty-one thousand, nine hundred twenty".