542744690 has 16 divisors (see below), whose sum is σ = 1028358720. Its totient is φ = 205671600.

The previous prime is 542744687. The next prime is 542744693. The reversal of 542744690 is 96447245.

It is an interprime number because it is at equal distance from previous prime (542744687) and next prime (542744693).

It is a super-2 number, since 2×542744690² = 589143597046392200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (542744693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1428086 + ... + 1428465.

It is an arithmetic number, because the mean of its divisors is an integer number (64272420).

Almost surely, 2^542744690 is an apocalyptic number.

542744690 is a deficient number, since it is larger than the sum of its proper divisors (485614030).

542744690 is a wasteful number, since it uses less digits than its factorization.

542744690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2856577.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 542744690 is about 23296.8815509716. The cubic root of 542744690 is about 815.7026271687.

The spelling of 542744690 in words is "five hundred forty-two million, seven hundred forty-four thousand, six hundred ninety".