1400421354 has 16 divisors (see below), whose sum is σ = 2808478848. Its totient is φ = 465534432.

The previous prime is 1400421313. The next prime is 1400421389. The reversal of 1400421354 is 4531240041.

It is a super-2 number, since 2×1400421354² = 3922359937478386632, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 315787 + ... + 320190.

It is an arithmetic number, because the mean of its divisors is an integer number (175529928).

Almost surely, 2^1400421354 is an apocalyptic number.

1400421354 is an abundant number, since it is smaller than the sum of its proper divisors (1408057494).

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

1400421354 is a wasteful number, since it uses less digits than its factorization.

1400421354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636349.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1400421354 is about 37422.2040238145. The cubic root of 1400421354 is about 1118.8011603624.

Adding to 1400421354 its reverse (4531240041), we get a palindrome (5931661395).

The spelling of 1400421354 in words is "one billion, four hundred million, four hundred twenty-one thousand, three hundred fifty-four".