624142492 has 24 divisors (see below), whose sum is σ = 1127516544. Its totient is φ = 302081472.

The previous prime is 624142439. The next prime is 624142511. The reversal of 624142492 is 294241426.

It is a super-3 number, since 3×624142492³ (a number of 27 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 7 ways as a sum of consecutive naturals, for example, 18453 + ... + 39859.

It is an arithmetic number, because the mean of its divisors is an integer number (46979856).

Almost surely, 2^624142492 is an apocalyptic number.

It is an amenable number.

624142492 is a deficient number, since it is larger than the sum of its proper divisors (503374052).

624142492 is a wasteful number, since it uses less digits than its factorization.

624142492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21645 (or 21643 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The square root of 624142492 is about 24982.8439534013. The cubic root of 624142492 is about 854.5967762269.

The spelling of 624142492 in words is "six hundred twenty-four million, one hundred forty-two thousand, four hundred ninety-two".