1400146450 has 24 divisors (see below), whose sum is σ = 2659686912. Its totient is φ = 548141520.

The previous prime is 1400146441. The next prime is 1400146453. The reversal of 1400146450 is 546410041.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1400146453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 295554 + ... + 300253.

It is an arithmetic number, because the mean of its divisors is an integer number (110820288).

Almost surely, 2^1400146450 is an apocalyptic number.

1400146450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1400146450 is a deficient number, since it is larger than the sum of its proper divisors (1259540462).

1400146450 is a wasteful number, since it uses less digits than its factorization.

1400146450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595866 (or 595861 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1400146450 is about 37418.5308370064. The cubic root of 1400146450 is about 1118.7279483393.

Adding to 1400146450 its reverse (546410041), we get a palindrome (1946556491).

The spelling of 1400146450 in words is "one billion, four hundred million, one hundred forty-six thousand, four hundred fifty".