1642454206260 has 96 divisors (see below), whose sum is σ = 5437089826560. Its totient is φ = 362472649728.

The previous prime is 1642454206259. The next prime is 1642454206273. The reversal of 1642454206260 is 626024542461.

It is a super-2 number, since 2×1642454206260² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67412049 + ... + 67436408.

It is an arithmetic number, because the mean of its divisors is an integer number (56636352360).

Almost surely, 2^{1642454206260} is an apocalyptic number.

1642454206260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1642454206260 is an abundant number, since it is smaller than the sum of its proper divisors (3794635620300).

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

1642454206260 is a wasteful number, since it uses less digits than its factorization.

1642454206260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134848505 (or 134848503 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 1642454206260 in words is "one trillion, six hundred forty-two billion, four hundred fifty-four million, two hundred six thousand, two hundred sixty".