1400423023340 has 192 divisors, whose sum is σ = 3255455121408. Its totient is φ = 501830649600.

The previous prime is 1400423023339. The next prime is 1400423023361. The reversal of 1400423023340 is 433203240041.

It is a super-2 number, since 2×1400423023340² (a number of 25 digits) contains 22 as substring.

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, 3656456789 + ... + 3656457171.

It is an arithmetic number, because the mean of its divisors is an integer number (16955495424).

Almost surely, 2^{1400423023340} is an apocalyptic number.

1400423023340 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 1400423023340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1627727560704).

1400423023340 is an abundant number, since it is smaller than the sum of its proper divisors (1855032098068).

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

1400423023340 is a wasteful number, since it uses less digits than its factorization.

1400423023340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188 (or 1186 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 1400423023340 its reverse (433203240041), we get a palindrome (1833626263381).

The spelling of 1400423023340 in words is "one trillion, four hundred billion, four hundred twenty-three million, twenty-three thousand, three hundred forty".