42619390 has 16 divisors (see below), whose sum is σ = 83689200. Its totient is φ = 15497920.

The previous prime is 42619387. The next prime is 42619393. The reversal of 42619390 is 9391624.

It is an interprime number because it is at equal distance from previous prime (42619387) and next prime (42619393).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42619393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193615 + ... + 193834.

It is an arithmetic number, because the mean of its divisors is an integer number (5230575).

Almost surely, 2^42619390 is an apocalyptic number.

42619390 is a deficient number, since it is larger than the sum of its proper divisors (41069810).

42619390 is a wasteful number, since it uses less digits than its factorization.

42619390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387467.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 42619390 is about 6528.3527784580. The cubic root of 42619390 is about 349.3030757822.

The spelling of 42619390 in words is "forty-two million, six hundred nineteen thousand, three hundred ninety".