4031660142 has 32 divisors (see below), whose sum is σ = 9069862560. Its totient is φ = 1343885256.

The previous prime is 4031660137. The next prime is 4031660147. The reversal of 4031660142 is 2410661304.

4031660142 is a `hidden beast` number, since 4 + 0 + 3 + 16 + 601 + 42 = 666.

It is an interprime number because it is at equal distance from previous prime (4031660137) and next prime (4031660147).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4031660147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456493 + ... + 465240.

It is an arithmetic number, because the mean of its divisors is an integer number (283433205).

Almost surely, 2^4031660142 is an apocalyptic number.

4031660142 is an abundant number, since it is smaller than the sum of its proper divisors (5038202418).

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

4031660142 is an frugal number, since it uses more digits than its factorization.

4031660142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921756 (or 921738 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 4031660142 is about 63495.3552789493. The cubic root of 4031660142 is about 1591.5781625097.

The spelling of 4031660142 in words is "four billion, thirty-one million, six hundred sixty thousand, one hundred forty-two".