40363020 has 36 divisors (see below), whose sum is σ = 122435040. Its totient is φ = 10763424.

The previous prime is 40363009. The next prime is 40363033. The reversal of 40363020 is 2036304.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 40362984 and 40363002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111940 + ... + 112299.

Almost surely, 2^40363020 is an apocalyptic number.

It is an amenable number.

40363020 is an abundant number, since it is smaller than the sum of its proper divisors (82072020).

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

40363020 is a wasteful number, since it uses less digits than its factorization.

40363020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224254 (or 224249 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 40363020 is about 6353.1897500390. The cubic root of 40363020 is about 343.0266676532.

Adding to 40363020 its reverse (2036304), we get a palindrome (42399324).

It can be divided in two parts, 4036 and 3020, that added together give a square (7056 = 84²).

The spelling of 40363020 in words is "forty million, three hundred sixty-three thousand, twenty".