1062342640 has 40 divisors (see below), whose sum is σ = 2472239088. Its totient is φ = 424542720.

The previous prime is 1062342637. The next prime is 1062342661. The reversal of 1062342640 is 462432601.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1062342640² = 2257143769524339200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1062342599 and 1062342608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89875 + ... + 101005.

Almost surely, 2^1062342640 is an apocalyptic number.

1062342640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1062342640 is an abundant number, since it is smaller than the sum of its proper divisors (1409896448).

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

1062342640 is a wasteful number, since it uses less digits than its factorization.

1062342640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12337 (or 12331 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 1062342640 is about 32593.5981444209. The cubic root of 1062342640 is about 1020.3633973650.

The spelling of 1062342640 in words is "one billion, sixty-two million, three hundred forty-two thousand, six hundred forty".