537642040 has 32 divisors (see below), whose sum is σ = 1302749280. Its totient is φ = 198513792.

The previous prime is 537642037. The next prime is 537642041. The reversal of 537642040 is 40246735.

It is a junction number, because it is equal to n+sod(n) for n = 537641993 and 537642011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537642041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516444 + ... + 517483.

It is an arithmetic number, because the mean of its divisors is an integer number (40710915).

Almost surely, 2^537642040 is an apocalyptic number.

It is an amenable number.

537642040 is an abundant number, since it is smaller than the sum of its proper divisors (765107240).

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

537642040 is a wasteful number, since it uses less digits than its factorization.

537642040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033951 (or 1033947 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 537642040 is about 23187.1093498090. The cubic root of 537642040 is about 813.1382799901.

Adding to 537642040 its reverse (40246735), we get a palindrome (577888775).

The spelling of 537642040 in words is "five hundred thirty-seven million, six hundred forty-two thousand, forty".