1400451242340 has 48 divisors (see below), whose sum is σ = 3923516076480. Its totient is φ = 373239131520.

The previous prime is 1400451242171. The next prime is 1400451242341. The reversal of 1400451242340 is 432421540041.

It is a super-2 number, since 2×1400451242340² (a number of 25 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1400451242298 and 1400451242307.

It is not an unprimeable number, because it can be changed into a prime (1400451242341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6598830 + ... + 6807749.

It is an arithmetic number, because the mean of its divisors is an integer number (81739918260).

Almost surely, 2^{1400451242340} is an apocalyptic number.

1400451242340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400451242340 is an abundant number, since it is smaller than the sum of its proper divisors (2523064834140).

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

1400451242340 is a wasteful number, since it uses less digits than its factorization.

1400451242340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13408332 (or 13408330 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 1400451242340 its reverse (432421540041), we get a palindrome (1832872782381).

The spelling of 1400451242340 in words is "one trillion, four hundred billion, four hundred fifty-one million, two hundred forty-two thousand, three hundred forty".