1672520476440 has 256 divisors, whose sum is σ = 5624184637440. Its totient is φ = 394322688000.

The previous prime is 1672520476439. The next prime is 1672520476453. The reversal of 1672520476440 is 446740252761.

It is a super-2 number, since 2×1672520476440² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1672520476440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 130445230 + ... + 130458050.

It is an arithmetic number, because the mean of its divisors is an integer number (21969471240).

Almost surely, 2^{1672520476440} is an apocalyptic number.

1672520476440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1672520476440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2812092318720).

1672520476440 is an abundant number, since it is smaller than the sum of its proper divisors (3951664161000).

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

1672520476440 is a wasteful number, since it uses less digits than its factorization.

1672520476440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15554 (or 15550 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 48.

The spelling of 1672520476440 in words is "one trillion, six hundred seventy-two billion, five hundred twenty million, four hundred seventy-six thousand, four hundred forty".