1400347747400 has 192 divisors, whose sum is σ = 3743197920000. Its totient is φ = 477249776640.

The previous prime is 1400347747373. The next prime is 1400347747459. The reversal of 1400347747400 is 47477430041.

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 47 ways as a sum of consecutive naturals, for example, 509401226 + ... + 509403974.

It is an arithmetic number, because the mean of its divisors is an integer number (19495822500).

Almost surely, 2^{1400347747400} is an apocalyptic number.

1400347747400 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 1400347747400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1871598960000).

1400347747400 is an abundant number, since it is smaller than the sum of its proper divisors (2342850172600).

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

1400347747400 is a wasteful number, since it uses less digits than its factorization.

1400347747400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4816 (or 4807 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 41.

The spelling of 1400347747400 in words is "one trillion, four hundred billion, three hundred forty-seven million, seven hundred forty-seven thousand, four hundred".