1801374030840 has 64 divisors (see below), whose sum is σ = 5407506588960. Its totient is φ = 480065564160.

The previous prime is 1801374030791. The next prime is 1801374030887. The reversal of 1801374030840 is 480304731081.

It is a super-2 number, since 2×1801374030840² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4508251 + ... + 4891530.

Almost surely, 2^{1801374030840} is an apocalyptic number.

1801374030840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1801374030840 is an abundant number, since it is smaller than the sum of its proper divisors (3606132558120).

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

1801374030840 is a wasteful number, since it uses less digits than its factorization.

1801374030840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9401392 (or 9401388 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 1801374030840 in words is "one trillion, eight hundred one billion, three hundred seventy-four million, thirty thousand, eight hundred forty".