554214640 has 160 divisors (see below), whose sum is σ = 1527330816. Its totient is φ = 183106560.

The previous prime is 554214631. The next prime is 554214643. The reversal of 554214640 is 46412455.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554214643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2107149 + ... + 2107411.

Almost surely, 2^554214640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 554214640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (763665408).

554214640 is an abundant number, since it is smaller than the sum of its proper divisors (973116176).

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

554214640 is a wasteful number, since it uses less digits than its factorization.

554214640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 554214640 is about 23541.7637402128. The cubic root of 554214640 is about 821.4087621760.

The spelling of 554214640 in words is "five hundred fifty-four million, two hundred fourteen thousand, six hundred forty".