1400881530 has 48 divisors (see below), whose sum is σ = 3435334560. Its totient is φ = 365602848.

The previous prime is 1400881529. The next prime is 1400881541. The reversal of 1400881530 is 351880041.

It is a super-2 number, since 2×1400881530² = 3924938122190281800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55701 + ... + 76839.

It is an arithmetic number, because the mean of its divisors is an integer number (71569470).

Almost surely, 2^1400881530 is an apocalyptic number.

1400881530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1400881530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1717667280).

1400881530 is an abundant number, since it is smaller than the sum of its proper divisors (2034453030).

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

1400881530 is a wasteful number, since it uses less digits than its factorization.

1400881530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21243 (or 21196 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 1400881530 is about 37428.3519541002. The cubic root of 1400881530 is about 1118.9236923082.

The spelling of 1400881530 in words is "one billion, four hundred million, eight hundred eighty-one thousand, five hundred thirty".