1454194840 has 32 divisors (see below), whose sum is σ = 3739358880. Its totient is φ = 498580992.

The previous prime is 1454194829. The next prime is 1454194843. The reversal of 1454194840 is 484914541.

It is a happy number.

It is a super-2 number, since 2×1454194840² = 4229365265365251200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 1454194793 and 1454194802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1454194843) 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 7 ways as a sum of consecutive naturals, for example, 2596497 + ... + 2597056.

It is an arithmetic number, because the mean of its divisors is an integer number (116854965).

Almost surely, 2^1454194840 is an apocalyptic number.

1454194840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1454194840 is an abundant number, since it is smaller than the sum of its proper divisors (2285164040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1454194840 is a wasteful number, since it uses less digits than its factorization.

1454194840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5193571 (or 5193567 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 1454194840 is about 38133.9066973212. The cubic root of 1454194840 is about 1132.9416243388.

The spelling of 1454194840 in words is "one billion, four hundred fifty-four million, one hundred ninety-four thousand, eight hundred forty".