3780154840 has 64 divisors (see below), whose sum is σ = 10604079360. Its totient is φ = 1178229120.

The previous prime is 3780154831. The next prime is 3780154907. The reversal of 3780154840 is 484510873.

It is a super-2 number, since 2×3780154840² = 28579141228750851200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 3780154793 and 3780154802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 610582 + ... + 616741.

It is an arithmetic number, because the mean of its divisors is an integer number (165688740).

Almost surely, 2^3780154840 is an apocalyptic number.

It is an amenable number.

3780154840 is an abundant number, since it is smaller than the sum of its proper divisors (6823924520).

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

3780154840 is a wasteful number, since it uses less digits than its factorization.

3780154840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227352 (or 1227348 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 3780154840 is about 61482.9638192565. The cubic root of 3780154840 is about 1557.7695002593.

The spelling of 3780154840 in words is "three billion, seven hundred eighty million, one hundred fifty-four thousand, eight hundred forty".