63214040 has 16 divisors (see below), whose sum is σ = 142231680. Its totient is φ = 25285600.

The previous prime is 63214037. The next prime is 63214043. The reversal of 63214040 is 4041236.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (63214037) and next prime (63214043).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63214043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 790136 + ... + 790215.

It is an arithmetic number, because the mean of its divisors is an integer number (8889480).

Almost surely, 2^63214040 is an apocalyptic number.

It is an amenable number.

63214040 is an abundant number, since it is smaller than the sum of its proper divisors (79017640).

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

63214040 is a wasteful number, since it uses less digits than its factorization.

63214040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580362 (or 1580358 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 63214040 is about 7950.7257530366. The cubic root of 63214040 is about 398.3558343916.

Adding to 63214040 its reverse (4041236), we get a palindrome (67255276).

The spelling of 63214040 in words is "sixty-three million, two hundred fourteen thousand, forty".