1642418370 has 40 divisors (see below), whose sum is σ = 4416282684. Its totient is φ = 437978016.

The previous prime is 1642418329. The next prime is 1642418389. The reversal of 1642418370 is 738142461.

1642418370 is a `hidden beast` number, since 1 + 642 + 4 + 1 + 8 + 3 + 7 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1606165929 + 36252441 = 40077^2 + 6021^2 .

It is a super-2 number, since 2×1642418370² = 5395076204226913800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1013029 + ... + 1014648.

Almost surely, 2^1642418370 is an apocalyptic number.

1642418370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1642418370 is an abundant number, since it is smaller than the sum of its proper divisors (2773864314).

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

1642418370 is a wasteful number, since it uses less digits than its factorization.

1642418370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027696 (or 2027687 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 1642418370 is about 40526.7611585234. The cubic root of 1642418370 is about 1179.8530818712.

The spelling of 1642418370 in words is "one billion, six hundred forty-two million, four hundred eighteen thousand, three hundred seventy".