469969293840 has 40 divisors (see below), whose sum is σ = 1456904811648. Its totient is φ = 125325144960.

The previous prime is 469969293839. The next prime is 469969293863. The reversal of 469969293840 is 48392969964.

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

It is a super-2 number, since 2×469969293840² (a number of 24 digits) contains 22 as substring.

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, 979102456 + ... + 979102935.

Almost surely, 2^469969293840 is an apocalyptic number.

469969293840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

469969293840 is an abundant number, since it is smaller than the sum of its proper divisors (986935517808).

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

469969293840 is a wasteful number, since it uses less digits than its factorization.

469969293840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958205407 (or 1958205401 counting only the distinct ones).

The product of its (nonzero) digits is 181398528, while the sum is 69.

The spelling of 469969293840 in words is "four hundred sixty-nine billion, nine hundred sixty-nine million, two hundred ninety-three thousand, eight hundred forty".