1400421045 has 32 divisors (see below), whose sum is σ = 2257920000. Its totient is φ = 741167424.

The previous prime is 1400421041. The next prime is 1400421059. The reversal of 1400421045 is 5401240041.

It is a happy number.

It is not a de Polignac number, because 1400421045 - 2² = 1400421041 is a prime.

It is a super-2 number, since 2×1400421045² = 3922358206557784050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400421041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1668736 + ... + 1669574.

It is an arithmetic number, because the mean of its divisors is an integer number (70560000).

Almost surely, 2^1400421045 is an apocalyptic number.

1400421045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1400421045 is a deficient number, since it is larger than the sum of its proper divisors (857498955).

1400421045 is a wasteful number, since it uses less digits than its factorization.

1400421045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1400421045 is about 37422.1998952493. The cubic root of 1400421045 is about 1118.8010780753.

Adding to 1400421045 its reverse (5401240041), we get a palindrome (6801661086).

The spelling of 1400421045 in words is "one billion, four hundred million, four hundred twenty-one thousand, forty-five".