1400340480 has 512 divisors, whose sum is σ = 5737720320. Its totient is φ = 283115520.

The previous prime is 1400340479. The next prime is 1400340499. The reversal of 1400340480 is 840430041.

It is a tau number, because it is divible by the number of its divisors (512).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1400340480.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37847022 + ... + 37847058.

It is an arithmetic number, because the mean of its divisors is an integer number (11206485).

Almost surely, 2^1400340480 is an apocalyptic number.

1400340480 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 1400340480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2868860160).

1400340480 is an abundant number, since it is smaller than the sum of its proper divisors (4337379840).

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

1400340480 is an equidigital number, since it uses as much as digits as its factorization.

1400340480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1400340480 is about 37421.1234465242. The cubic root of 1400340480 is about 1118.7796231142.

The spelling of 1400340480 in words is "one billion, four hundred million, three hundred forty thousand, four hundred eighty".