1494026400 has 288 divisors, whose sum is σ = 5147670528. Its totient is φ = 375782400.

The previous prime is 1494026393. The next prime is 1494026407. The reversal of 1494026400 is 46204941.

It is an interprime number because it is at equal distance from previous prime (1494026393) and next prime (1494026407).

It is a super-2 number, since 2×1494026400² = 4464229767793920000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1494026407) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3198967 + ... + 3199433.

It is an arithmetic number, because the mean of its divisors is an integer number (17873856).

Almost surely, 2^1494026400 is an apocalyptic number.

1494026400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1494026400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2573835264).

1494026400 is an abundant number, since it is smaller than the sum of its proper divisors (3653644128).

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

1494026400 is a wasteful number, since it uses less digits than its factorization.

1494026400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 551 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1494026400 is about 38652.6376848980. The cubic root of 1494026400 is about 1143.1926509002.

The spelling of 1494026400 in words is "one billion, four hundred ninety-four million, twenty-six thousand, four hundred".