3785136440 has 16 divisors (see below), whose sum is σ = 8516557080. Its totient is φ = 1514054560.

The previous prime is 3785136419. The next prime is 3785136461. The reversal of 3785136440 is 446315873.

It is an interprime number because it is at equal distance from previous prime (3785136419) and next prime (3785136461).

It is a super-3 number, since 3×3785136440³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47314166 + ... + 47314245.

Almost surely, 2^3785136440 is an apocalyptic number.

It is an amenable number.

3785136440 is an abundant number, since it is smaller than the sum of its proper divisors (4731420640).

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

3785136440 is a wasteful number, since it uses less digits than its factorization.

3785136440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94628422 (or 94628418 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 3785136440 is about 61523.4625163441. The cubic root of 3785136440 is about 1558.4534914799.

The spelling of 3785136440 in words is "three billion, seven hundred eighty-five million, one hundred thirty-six thousand, four hundred forty".