511034040 has 96 divisors (see below), whose sum is σ = 1811862000. Its totient is φ = 123886080.

The previous prime is 511034023. The next prime is 511034057. The reversal of 511034040 is 40430115.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (511034023) and next prime (511034057).

It is a super-2 number, since 2×511034040² = 522311580077443200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60565 + ... + 68484.

Almost surely, 2^511034040 is an apocalyptic number.

It is an amenable number.

511034040 is an abundant number, since it is smaller than the sum of its proper divisors (1300827960).

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

511034040 is a wasteful number, since it uses less digits than its factorization.

511034040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129077 (or 129070 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 511034040 is about 22606.0620188480. The cubic root of 511034040 is about 799.4965791090.

Adding to 511034040 its reverse (40430115), we get a palindrome (551464155).

The spelling of 511034040 in words is "five hundred eleven million, thirty-four thousand, forty".