6254400378 has 8 divisors (see below), whose sum is σ = 12508800768. Its totient is φ = 2084800124.

The previous prime is 6254400377. The next prime is 6254400379. The reversal of 6254400378 is 8730044526.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6254400377) and next prime (6254400379).

It is a sphenic number, since it is the product of 3 distinct primes.

6254400378 is an admirable number.

It is a super-3 number, since 3×6254400378³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (6254400377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521200026 + ... + 521200037.

It is an arithmetic number, because the mean of its divisors is an integer number (1563600096).

Almost surely, 2^6254400378 is an apocalyptic number.

6254400378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6254400378 is a wasteful number, since it uses less digits than its factorization.

6254400378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042400068.

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 6254400378 is about 79084.7670414474. The cubic root of 6254400378 is about 1842.4479447364.

The spelling of 6254400378 in words is "six billion, two hundred fifty-four million, four hundred thousand, three hundred seventy-eight".