1400011845 has 32 divisors (see below), whose sum is σ = 2300918400. Its totient is φ = 726507264.

The previous prime is 1400011843. The next prime is 1400011853. The reversal of 1400011845 is 5481100041.

It is not a de Polignac number, because 1400011845 - 2¹ = 1400011843 is a prime.

It is a super-2 number, since 2×1400011845² = 3920066332280608050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400011843) 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, 169471 + ... + 177539.

It is an arithmetic number, because the mean of its divisors is an integer number (71903700).

Almost surely, 2^1400011845 is an apocalyptic number.

1400011845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1400011845 is a deficient number, since it is larger than the sum of its proper divisors (900906555).

1400011845 is a wasteful number, since it uses less digits than its factorization.

1400011845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8389.

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 1400011845 is about 37416.7321528751. The cubic root of 1400011845 is about 1118.6920970417.

Adding to 1400011845 its reverse (5481100041), we get a palindrome (6881111886).

The spelling of 1400011845 in words is "one billion, four hundred million, eleven thousand, eight hundred forty-five".