1400444054 has 16 divisors (see below), whose sum is σ = 2271561408. Its totient is φ = 645009792.

The previous prime is 1400444051. The next prime is 1400444057. The reversal of 1400444054 is 4504440041.

It is an interprime number because it is at equal distance from previous prime (1400444051) and next prime (1400444057).

It is a super-2 number, since 2×1400444054² = 3922487096767909832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400444051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436589 + ... + 439784.

It is an arithmetic number, because the mean of its divisors is an integer number (141972588).

Almost surely, 2^1400444054 is an apocalyptic number.

1400444054 is a deficient number, since it is larger than the sum of its proper divisors (871117354).

1400444054 is a wasteful number, since it uses less digits than its factorization.

1400444054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876439.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 1400444054 is about 37422.5073184574. The cubic root of 1400444054 is about 1118.8072053642.

Adding to 1400444054 its reverse (4504440041), we get a palindrome (5904884095).

The spelling of 1400444054 in words is "one billion, four hundred million, four hundred forty-four thousand, fifty-four".