3787394040 has 48 divisors (see below), whose sum is σ = 12309031800. Its totient is φ = 1009971648.

The previous prime is 3787393991. The next prime is 3787394041. The reversal of 3787394040 is 404937873.

It is a happy number.

It is a super-3 number, since 3×3787394040³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3787394041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5259910 + ... + 5260629.

Almost surely, 2^3787394040 is an apocalyptic number.

3787394040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3787394040 is an abundant number, since it is smaller than the sum of its proper divisors (8521637760).

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

3787394040 is a wasteful number, since it uses less digits than its factorization.

3787394040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10520556 (or 10520549 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 3787394040 is about 61541.8072532811. The cubic root of 3787394040 is about 1558.7632703033.

The spelling of 3787394040 in words is "three billion, seven hundred eighty-seven million, three hundred ninety-four thousand, forty".