695120400 has 240 divisors, whose sum is σ = 2664968320. Its totient is φ = 171072000.

The previous prime is 695120389. The next prime is 695120407. The reversal of 695120400 is 4021596.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (695120407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 137925 + ... + 142875.

Almost surely, 2^695120400 is an apocalyptic number.

695120400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 695120400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1332484160).

695120400 is an abundant number, since it is smaller than the sum of its proper divisors (1969847920).

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

695120400 is a wasteful number, since it uses less digits than its factorization.

695120400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4991 (or 4974 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 695120400 is about 26365.1360701969. The cubic root of 695120400 is about 885.8360384632.

Adding to 695120400 its reverse (4021596), we get a palindrome (699141996).

The spelling of 695120400 in words is "six hundred ninety-five million, one hundred twenty thousand, four hundred".