1440435454 has 16 divisors (see below), whose sum is σ = 2175774048. Its totient is φ = 715186432.

The previous prime is 1440435443. The next prime is 1440435487. The reversal of 1440435454 is 4545340441.

It is a super-2 number, since 2×1440435454² = 4149708594280372232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517314 + ... + 520090.

It is an arithmetic number, because the mean of its divisors is an integer number (135985878).

Almost surely, 2^1440435454 is an apocalyptic number.

1440435454 is a deficient number, since it is larger than the sum of its proper divisors (735338594).

1440435454 is a wasteful number, since it uses less digits than its factorization.

1440435454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4499.

The product of its (nonzero) digits is 76800, while the sum is 34.

The square root of 1440435454 is about 37953.0690985591. The cubic root of 1440435454 is about 1129.3570503807.

Adding to 1440435454 its reverse (4545340441), we get a palindrome (5985775895).

The spelling of 1440435454 in words is "one billion, four hundred forty million, four hundred thirty-five thousand, four hundred fifty-four".