4540045398 has 64 divisors (see below), whose sum is σ = 11174008320. Its totient is φ = 1200148992.

The previous prime is 4540045379. The next prime is 4540045399. The reversal of 4540045398 is 8935400454.

It is a super-2 number, since 2×4540045398² = 41224024431801956808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4540045399) 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, 11761 + ... + 96012.

It is an arithmetic number, because the mean of its divisors is an integer number (174593880).

Almost surely, 2^4540045398 is an apocalyptic number.

4540045398 is an abundant number, since it is smaller than the sum of its proper divisors (6633962922).

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

4540045398 is a wasteful number, since it uses less digits than its factorization.

4540045398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107861.

The product of its (nonzero) digits is 345600, while the sum is 42.

The square root of 4540045398 is about 67379.8589936192. The cubic root of 4540045398 is about 1655.8464648257.

The spelling of 4540045398 in words is "four billion, five hundred forty million, forty-five thousand, three hundred ninety-eight".