40373740 has 96 divisors (see below), whose sum is σ = 98703360. Its totient is φ = 13728000.

The previous prime is 40373737. The next prime is 40373747. The reversal of 40373740 is 4737304.

It is a junction number, because it is equal to n+sod(n) for n = 40373699 and 40373708.

It is not an unprimeable number, because it can be changed into a prime (40373747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 399690 + ... + 399790.

It is an arithmetic number, because the mean of its divisors is an integer number (1028160).

Almost surely, 2^40373740 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 40373740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49351680).

40373740 is an abundant number, since it is smaller than the sum of its proper divisors (58329620).

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

40373740 is a wasteful number, since it uses less digits than its factorization.

40373740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 40373740 is about 6354.0333647220. The cubic root of 40373740 is about 343.0570330750.

It can be divided in two parts, 4037 and 3740, that added together give a palindrome (7777).

The spelling of 40373740 in words is "forty million, three hundred seventy-three thousand, seven hundred forty".