4009694400 has 252 divisors, whose sum is σ = 14780663352. Its totient is φ = 1069148160.

The previous prime is 4009694371. The next prime is 4009694413. The reversal of 4009694400 is 44969004.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 383644 + ... + 393956.

It is an arithmetic number, because the mean of its divisors is an integer number (58653426).

Almost surely, 2^4009694400 is an apocalyptic number.

4009694400 is a gapful number since it is divisible by the number (40) 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 4009694400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7390331676).

4009694400 is an abundant number, since it is smaller than the sum of its proper divisors (10770968952).

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

4009694400 is a wasteful number, since it uses less digits than its factorization.

4009694400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10350 (or 10323 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 4009694400 is about 63322.1477841679. The cubic root of 4009694400 is about 1588.6824257424.

The spelling of 4009694400 in words is "four billion, nine million, six hundred ninety-four thousand, four hundred".