542501040 has 40 divisors (see below), whose sum is σ = 1681753968. Its totient is φ = 144666880.

The previous prime is 542501039. The next prime is 542501051. The reversal of 542501040 is 40105245.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 542500998 and 542501016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1129971 + ... + 1130450.

Almost surely, 2^542501040 is an apocalyptic number.

It is an amenable number.

542501040 is an abundant number, since it is smaller than the sum of its proper divisors (1139252928).

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

542501040 is a wasteful number, since it uses less digits than its factorization.

542501040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260437 (or 2260431 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 542501040 is about 23291.6517233107. The cubic root of 542501040 is about 815.5805466297.

Adding to 542501040 its reverse (40105245), we get a palindrome (582606285).

The spelling of 542501040 in words is "five hundred forty-two million, five hundred one thousand, forty".