3775681340 has 24 divisors (see below), whose sum is σ = 7934788512. Its totient is φ = 1509156800.

The previous prime is 3775681337. The next prime is 3775681367. The reversal of 3775681340 is 431865773.

It is a junction number, because it is equal to n+sod(n) for n = 3775681291 and 3775681300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41711 + ... + 96390.

It is an arithmetic number, because the mean of its divisors is an integer number (330616188).

Almost surely, 2^3775681340 is an apocalyptic number.

It is an amenable number.

3775681340 is an abundant number, since it is smaller than the sum of its proper divisors (4159107172).

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

3775681340 is a wasteful number, since it uses less digits than its factorization.

3775681340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139477 (or 139475 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 44.

The square root of 3775681340 is about 61446.5730533445. The cubic root of 3775681340 is about 1557.1547606595.

The spelling of 3775681340 in words is "three billion, seven hundred seventy-five million, six hundred eighty-one thousand, three hundred forty".