1400845485 has 32 divisors (see below), whose sum is σ = 2416700160. Its totient is φ = 688808448.

The previous prime is 1400845477. The next prime is 1400845489. The reversal of 1400845485 is 5845480041.

It is not a de Polignac number, because 1400845485 - 2³ = 1400845477 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400845489) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 175297 + ... + 183113.

It is an arithmetic number, because the mean of its divisors is an integer number (75521880).

Almost surely, 2^1400845485 is an apocalyptic number.

1400845485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1400845485 is a deficient number, since it is larger than the sum of its proper divisors (1015854675).

1400845485 is a wasteful number, since it uses less digits than its factorization.

1400845485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8757.

The product of its (nonzero) digits is 102400, while the sum is 39.

The square root of 1400845485 is about 37427.8704310037. The cubic root of 1400845485 is about 1118.9140955057.

The spelling of 1400845485 in words is "one billion, four hundred million, eight hundred forty-five thousand, four hundred eighty-five".